diff --git a/lib/bcoin/chain.js b/lib/bcoin/chain.js
index e1404f6a..41d8e7fb 100644
--- a/lib/bcoin/chain.js
+++ b/lib/bcoin/chain.js
@@ -35,8 +35,7 @@ var VerifyError = bcoin.errors.VerifyError;
  * @property {Number} bestHeight
  * @property {ChainEntry?} tip
  * @property {Number} height
- * @property {Boolean} segwitActive
- * @property {Boolean} csvActive
+ * @property {DeploymentState} state
  * @property {Object} orphan - Orphan map.
  * @emits Chain#open
  * @emits Chain#error
@@ -77,8 +76,7 @@ function Chain(options) {
   this.tip = null;
   this.height = -1;
   this.synced = false;
-  this.segwitActive = null;
-  this.csvActive = null;
+  this.state = new DeploymentState();
   this.stateCache = {};
 
   this.orphan = {
@@ -219,10 +217,10 @@ Chain.prototype._open = function open(callback) {
           if (err)
             return callback(err);
 
-          if (self.csvActive)
+          if (self.state.hasCSV())
             self.logger.info('CSV is active.');
 
-          if (self.segwitActive)
+          if (self.state.hasWitness())
             self.logger.info('Segwit is active.');
 
           self.logger.memory();
@@ -475,7 +473,7 @@ Chain.prototype.verify = function verify(block, prev, callback) {
 
   // Skip the genesis block. Skip all blocks in spv mode.
   if (this.options.spv || this.isGenesis(block))
-    return callback(null, new DeploymentState());
+    return callback(null, this.state);
 
   // Ensure it's not an orphan
   if (!prev) {
@@ -511,9 +509,8 @@ Chain.prototype.verify = function verify(block, prev, callback) {
       if (err)
         return callback(err);
 
-      // Expose the state of csv and segwit globally.
-      self.csvActive = state.hasCSV();
-      self.segwitActive = state.hasWitness();
+      // Expose the state globally.
+      self.state = state;
 
       // Can't verify any further when merkleblock or headers.
       if (self.options.spv)
@@ -2258,9 +2255,6 @@ Chain.prototype.computeBlockVersion = function computeBlockVersion(prev, callbac
 Chain.prototype.getInitialState = function getInitialState(callback) {
   var self = this;
 
-  if (this.segwitActive != null)
-    return utils.nextTick(callback);
-
   if (!this.tip)
     return utils.nextTick(callback);
 
@@ -2268,11 +2262,8 @@ Chain.prototype.getInitialState = function getInitialState(callback) {
     if (err)
       return callback(err);
 
-    if (!prev) {
-      self.csvActive = false;
-      self.segwitActive = false;
+    if (!prev)
       return callback();
-    }
 
     prev.getRetargetAncestors(function(err, ancestors) {
       if (err)
@@ -2282,8 +2273,7 @@ Chain.prototype.getInitialState = function getInitialState(callback) {
         if (err)
           return callback(err);
 
-        self.csvActive = state.hasCSV();
-        self.segwitActive = state.hasWitness();
+        self.state = state;
 
         return callback(null, state);
       });
diff --git a/lib/bcoin/mempool.js b/lib/bcoin/mempool.js
index 6e40018d..8030c7d2 100644
--- a/lib/bcoin/mempool.js
+++ b/lib/bcoin/mempool.js
@@ -691,7 +691,7 @@ Mempool.prototype.addTX = function addTX(tx, callback, force) {
   }
 
   if (this.requireStandard) {
-    if (!this.chain.csvActive && tx.version >= 2) {
+    if (!this.chain.state.hasCSV() && tx.version >= 2) {
       return callback(new VerifyError(tx,
         'nonstandard',
         'premature-version2-tx',
@@ -699,7 +699,7 @@ Mempool.prototype.addTX = function addTX(tx, callback, force) {
     }
   }
 
-  if (!this.chain.segwitActive && !this.prematureWitness) {
+  if (!this.chain.state.hasWitness() && !this.prematureWitness) {
     if (tx.hasWitness()) {
       return callback(new VerifyError(tx,
         'nonstandard',
@@ -971,7 +971,7 @@ Mempool.prototype.verify = function verify(entry, callback) {
   var ret = {};
   var fee, modFee, now, size, rejectFee, minRelayFee, minRate;
 
-  if (this.chain.segwitActive)
+  if (this.chain.state.hasWitness())
     mandatory |= constants.flags.VERIFY_WITNESS;
 
   this.checkLocks(tx, lockFlags, function(err, result) {